A bottomless Library
Chinese idiom, Pinyin is sh ū n á NGW ú D ǐ, which means that there are countless ancient and modern books. It's from to Wang Lang.
The origin of Idioms
In Song Dynasty, Huang Tingjian's poem "send Wang Lang away", he said: "even if you are in bed, you can't stop talking at night
Idiom usage
As an object or attribute; used to admonish.
Examples
Uncle, how can you read it? Su Fuzhi's the golden mark
A bottomless Library